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1 <!DOCTYPE HTML> | |
2 | |
3 <!-- READ BEFORE UPDATING: | |
4 If this test is updated make sure to increment the "revision" value of the | |
5 associated test in content/test/gpu/page_sets/pixel_tests.py. This will ensure | |
6 that the baseline images are regenerated on the next run. | |
7 --> | |
8 | |
9 <html> | |
10 <head> | |
11 <title>OffscreenCanvas 2d commit flow on main thread: blue square on white backg
round.</title> | |
12 <style type="text/css"> | |
13 .nomargin { | |
14 margin: 0px auto; | |
15 } | |
16 </style> | |
17 <script> | |
18 var g_swapsBeforeAck = 15; | |
19 | |
20 function main() | |
21 { | |
22 draw(); | |
23 waitForFinish(); | |
24 } | |
25 | |
26 function draw() | |
27 { | |
28 var canvas = document.getElementById("c"); | |
29 var offscreenCanvas = canvas.transferControlToOffscreen(); | |
30 var ctx2d = offscreenCanvas.getContext("2d"); | |
31 ctx2d.fillStyle = "blue"; | |
32 ctx2d.fillRect(0, 0, offscreenCanvas.width, offscreenCanvas.height); | |
33 ctx2d.commit(); | |
34 } | |
35 | |
36 function waitForFinish() | |
37 { | |
38 if (g_swapsBeforeAck == 0) { | |
39 domAutomationController.setAutomationId(1); | |
40 domAutomationController.send("SUCCESS"); | |
41 } else { | |
42 g_swapsBeforeAck--; | |
43 document.getElementById('container').style.zIndex = g_swapsBeforeAck + 1; | |
44 window.webkitRequestAnimationFrame(waitForFinish); | |
45 } | |
46 } | |
47 </script> | |
48 </head> | |
49 <body onload="main()"> | |
50 <div style="position:relative; width:350px; height:350px; background-color:white
"> | |
51 </div> | |
52 <div id="container" style="position:absolute; top:0px; left:0px"> | |
53 <canvas id="c" width="320" height="320" class="nomargin"></canvas> | |
54 </div> | |
55 </body> | |
56 </html> | |
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